chore(deps): update golang docker tag to v1.18

.drone.yml

@@ -3,12 +3,12 @@ kind: pipeline
 name: coopcloud.tech/abra
 steps:
   - name: make check
-    image: golang:1.17
+    image: golang:1.18
     commands:
       - make check
 
   - name: make static
-    image: golang:1.17
+    image: golang:1.18
     ignore: true # until we decide we all want this check
     environment:
       STATIC_CHECK_URL: honnef.co/go/tools/cmd/staticcheck
@@ -18,12 +18,12 @@ steps:
       - make static
 
   - name: make build
-    image: golang:1.17
+    image: golang:1.18
     commands:
       - make build
 
   - name: make test
-    image: golang:1.17
+    image: golang:1.18
     commands:
       - make test
 
@@ -55,7 +55,7 @@ steps:
       event: tag
 
   - name: release
-    image: golang:1.17
+    image: golang:1.18
     environment:
       GITEA_TOKEN:
         from_secret: goreleaser_gitea_token