Organize Dependabot groups

Author: ReneWerner87

.github/dependabot.yml

@@ -30,10 +30,31 @@ updates:
                   - "github.com/stretchr/*"
                   - "github.com/davecgh/*"
                   - "github.com/pmezard/*"
-                  - "github.com/google/uuid*"
+          compression:
+              patterns:
                   - "github.com/andybalholm/*"
                   - "github.com/klauspost/*"
+          mattn:
+              patterns:
                   - "github.com/mattn/*"
+          uuid:
+              patterns:
+                  - "github.com/google/uuid*"
+          unicode:
+              patterns:
                   - "github.com/rivo/*"
+          yaml:
+              patterns:
                   - "gopkg.in/yaml.*"
+          golang-x:
+              patterns:
                   - "golang.org/x/*"
+          template-engines:
+              patterns:
+                  - "github.com/CloudyKit/*"
+                  - "github.com/Joker/*"
+                  - "github.com/cbroglie/*"
+                  - "github.com/eknkc/*"
+                  - "github.com/flosch/*"
+                  - "github.com/mailgun/*"
+                  - "github.com/yosssi/*"