[chore] Update go version used in workflows to ~1.28.8 (#8373)

**Description:** This is a defensive PR to update the minimum go version
used in the collectors github actions workflows. The latest go patch
version contains fixes for a CVE that could affect a go build tool
chain.

.github/workflows/api-compatibility.yml

@@ -34,7 +34,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
 
       # Generate apidiff states of Main
       - name: Generate-States

.github/workflows/build-and-test-windows.yaml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
       - name: Cache Go
         uses: actions/cache@v3
         env:

.github/workflows/build-and-test.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
       - name: Cache Go
         id: go-cache
         uses: actions/cache@v3
@@ -41,7 +41,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
       - name: Cache Go
         id: go-cache
         uses: actions/cache@v3
@@ -64,7 +64,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
       - name: Cache Go
         id: go-cache
         uses: actions/cache@v3
@@ -88,7 +88,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
       - name: Cache Go
         id: go-cache
         uses: actions/cache@v3
@@ -133,7 +133,7 @@ jobs:
   unittest-matrix:
     strategy:
       matrix:
-        go-version: ["1.21", "1.20"] # 1.20 needs quotes otherwise it's interpreted as 1.2
+        go-version: ["~1.21.1", "~1.20.8"] # 1.20 needs quotes otherwise it's interpreted as 1.2
     runs-on: ubuntu-latest
     needs: [setup-environment]
     steps:
@@ -249,7 +249,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
       - name: Cache Go
         id: go-cache
         uses: actions/cache@v3

.github/workflows/builder-integration-test.yaml

@@ -30,6 +30,6 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
       - name: Test
         run: make builder-integration-test

.github/workflows/builder-release.yaml

@@ -16,7 +16,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v4
         with:

.github/workflows/changelog.yml

@@ -29,7 +29,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
       - name: Cache Go
         id: go-cache
         uses: actions/cache@v3

.github/workflows/codeql-analysis.yml

@@ -19,7 +19,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
 
       # Initializes the CodeQL tools for scanning.
       - name: Initialize CodeQL

.github/workflows/contrib-tests.yml

@@ -23,7 +23,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
       - name: Run Contrib Tests
         run: |
           contrib_path=/tmp/opentelemetry-collector-contrib

.github/workflows/create-dependabot-pr.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
       - name: Run dependabot-pr.sh
         run: ./.github/workflows/scripts/dependabot-pr.sh
         env:

.github/workflows/perf.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
 
       - name: Run benchmark
         run: make gobenchmark

.github/workflows/prepare-release.yml

@@ -53,7 +53,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
       # Prepare Core for release.
       #   - Update CHANGELOG.md file, this is done via chloggen
       #   - Run make prepare-release PREVIOUS_VERSION=1.0.0 RELEASE_CANDIDATE=1.1.0 MODSET=stable

.github/workflows/tidy-dependencies.yml

@@ -18,7 +18,7 @@ jobs:
           token: ${{ secrets.OPENTELEMETRYBOT_GITHUB_TOKEN }}
       - uses: actions/setup-go@v4
         with:
-          go-version: ~1.20.7
+          go-version: ~1.20.8
           cache: false
       - name: Cache Go
         id: go-cache