ci: matrix package exclude (#3257)

* ci: skip Slither/GasDiff/SizeCheck for single solidity-devops as well

* add temporary change to trigger workflows

* Revert "add temporary change to trigger workflows"

This reverts commit 9ad00be.

.github/workflows/solidity.yml

@@ -121,7 +121,7 @@ jobs:
           cancel_others: 'true'
   slither:
     name: Slither
-    if: ${{ needs.changes.outputs.package_count > 0 }}
+    if: ${{ needs.changes.outputs.package_count > 0 && needs.changes.outputs.packages != '["solidity-devops"]' }}
     # see https://docs.github.com/en/code-security/code-scanning/automatically-scanning-your-code-for-vulnerabilities-and-errors/setting-up-code-scanning-for-a-repository
     runs-on: ubuntu-latest
     needs: changes
@@ -239,7 +239,7 @@ jobs:
   gas-diff:
     runs-on: ubuntu-latest
     name: Foundry Gas Diff
-    if: ${{ needs.changes.outputs.package_count > 0 }}
+    if: ${{ needs.changes.outputs.package_count > 0 && needs.changes.outputs.packages != '["solidity-devops"]' }}
     needs: changes
     strategy:
       fail-fast: false
@@ -290,7 +290,7 @@ jobs:
   size-check:
     name: Foundry Size Check
     runs-on: ubuntu-latest
-    if: ${{ needs.changes.outputs.package_count > 0 }}
+    if: ${{ needs.changes.outputs.package_count > 0 && needs.changes.outputs.packages != '["solidity-devops"]' }}
     needs: changes
     strategy:
       fail-fast: false