Upgrade to Go 1.20

With the release of Go 1.20, version 1.18 is not supported anymore. This
change upgrades the project to Go 1.20.

.github/workflows/ci.yaml

@@ -101,7 +101,7 @@ jobs:
         uses: actions/checkout@v2
       - uses: actions/setup-go@v3
         with:
-          go-version: '^1.18.3'
+          go-version: '^1.20.1'
       - name: Build Binaries
         run: |
           make binary-clean binary-all
@@ -111,4 +111,4 @@ jobs:
           name: binaries.zip
           path: |
             scrutiny-web-*
-            scrutiny-collector-metrics-*
+            scrutiny-collector-metrics-*

.github/workflows/release.yaml

@@ -96,7 +96,7 @@ jobs:
           name: workspace
       - uses: actions/setup-go@v3
         with:
-          go-version: '1.18.3' # The Go version to download (if necessary) and use.
+          go-version: '1.20.1' # The Go version to download (if necessary) and use.
       - name: Build Binaries
         run: |
           make binary-clean binary-all