gh-actions: bump action versions

Author: calvinrzachman

.github/workflows/main.yml

@@ -27,10 +27,10 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: git checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: go cache
-        uses: actions/cache@v1
+        uses: actions/cache@v4
         with:
           path: /home/runner/work/go
           key: lndmon-${{ runner.os }}-go-${{ env.GO_VERSION }}-${{ github.job }}-${{ hashFiles('**/go.sum') }}
@@ -41,7 +41,7 @@ jobs:
             lndmon-${{ runner.os }}-go-
 
       - name: setup go ${{ env.GO_VERSION }}
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v5
         with:
           go-version: '${{ env.GO_VERSION }}'