build(deps): update dependency ubuntu to v22 [skip ci]

.github/workflows/auto-update-keptn-spec.yml

@@ -11,7 +11,7 @@ jobs:
   update-spec:
     env:
       SPEC_REF: ${{ github.event.client_payload.ref }}
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3

.github/workflows/pre-release.yml

@@ -17,7 +17,7 @@ defaults:
 jobs:
   prepare:
     name: Prepare release run
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     outputs:
       next-version: ${{ steps.version_number.outputs.next-version }}
       branch: ${{ steps.current_branch.outputs.branch }}
@@ -94,7 +94,7 @@ jobs:
         run: go test -race -v ./...
   pre-release:
     name: "Pre-Release"
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     needs: [ prepare, test ]
     steps:
       - name: Checkout repo

.github/workflows/release.yml

@@ -16,7 +16,7 @@ defaults:
 jobs:
   prepare:
     name: Prepare release run
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     outputs:
       next-version: ${{ steps.version_number.outputs.next-version }}
       branch: ${{ steps.current_branch.outputs.branch }}
@@ -91,7 +91,7 @@ jobs:
         run: go test -race -v ./...
   release:
     name: "Release"
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     needs: [ prepare, test ]
     steps:
       - name: Checkout repo

.github/workflows/update-keptn-keptn-pr.yml

@@ -9,7 +9,7 @@ on:
   workflow_dispatch:
 jobs:
   send_webhook:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Trigger go-utils auto update in core repo
         if: github.event_name == 'workflow_dispatch'

.github/workflows/validate-semantic-pr.yml

@@ -10,7 +10,7 @@ defaults:
     shell: bash
 jobs:
   validate-semantic-pr:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-22.04
     steps:
       - name: Validate Pull Request
         uses: amannn/action-semantic-pull-request@00282d63cda40a6eaf3e9d0cbb1ac4384de896e8