Switch gh workflows to go 1.18.9 (#2267)

Author: hughcapet

.github/workflows/run_e2e.yaml

@@ -14,7 +14,7 @@ jobs:
     - uses: actions/checkout@v1
     - uses: actions/setup-go@v2
       with:
-          go-version: "^1.17.4"
+          go-version: "^1.18.9"
     - name: Make dependencies
       run: make deps mocks
     - name: Code generation

.github/workflows/run_tests.yaml

@@ -14,7 +14,7 @@ jobs:
     - uses: actions/checkout@v2
     - uses: actions/setup-go@v2
       with:
-          go-version: "^1.17.4"
+          go-version: "^1.18.9"
     - name: Make dependencies
       run: make deps mocks
     - name: Compile