Update regex for AWS secret key

config/gitleaks.toml

@@ -8,7 +8,7 @@ title = "gitleaks config"
 
 [[rules]]
     description = "AWS Secret Key"
-    regex = '''(?i)aws(.{0,20})?(?-i)['\"][0-9a-zA-Z\/+]{40}['\"]'''
+    regex = '''(?i)aws(.{0,20})?=.[\'\"0-9a-zA-Z\/+]{40}'''
     tags = ["key", "AWS"]
 
 [[rules]]

scan/scan_test.go

@@ -33,7 +33,7 @@ func TestScan(t *testing.T) {
 				Path:         filepath.Join(repoBasePath, "with_square_and_google"),
 				Report:       filepath.Join(expectPath, "results_square_and_google.json.got"),
 				ReportFormat: "json",
-				NoGit:				true,
+				NoGit:        true,
 			},
 			wantPath: filepath.Join(expectPath, "results_square_and_google.json"),
 		},
@@ -69,7 +69,6 @@ func TestScan(t *testing.T) {
 	}
 }
 
-
 func moveDotGit(from, to string) error {
 	repoDirs, err := ioutil.ReadDir("../testdata/repos")
 	if err != nil {