chore(deps): update actions/setup-go action to v7

Author: renovate-bot

.github/workflows/conformance.yaml

@@ -41,7 +41,7 @@ jobs:
         distribution: temurin
 
     - name: Setup Go
-      uses: actions/setup-go@4a3601121dd01d1626a1e23e37211e3254c1c06c # v6.4.0
+      uses: actions/setup-go@b7ad1dad31e06c5925ef5d2fc7ad053ef454303e # v7.0.0
       with:
         go-version: '1.26'