blueprints: don't use example label, add more tags and tests for tags

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

blueprints/example/flows-enrollment-2-stage.yaml

@@ -1,7 +1,7 @@
 version: 1
 metadata:
   labels:
-    blueprints.goauthentik.io/example: "true"
+    blueprints.goauthentik.io/instantiate: "false"
   name: Example - Enrollment (2 Stage)
 entries:
   - identifiers:

blueprints/example/flows-enrollment-email-verification.yaml

@@ -1,7 +1,7 @@
 version: 1
 metadata:
   labels:
-    blueprints.goauthentik.io/example: "true"
+    blueprints.goauthentik.io/instantiate: "false"
   name: Example - Enrollment with email verification
 entries:
   - identifiers:

blueprints/example/flows-login-2fa.yaml

@@ -1,7 +1,7 @@
 version: 1
 metadata:
   labels:
-    blueprints.goauthentik.io/example: "true"
+    blueprints.goauthentik.io/instantiate: "false"
   name: Example - Two-factor Login
 entries:
   - identifiers:

blueprints/example/flows-login-conditional-captcha.yaml

@@ -1,7 +1,7 @@
 version: 1
 metadata:
   labels:
-    blueprints.goauthentik.io/example: "true"
+    blueprints.goauthentik.io/instantiate: "false"
   name: Example - Login with conditional Captcha
 entries:
   - identifiers:

blueprints/example/flows-recovery-email-verification.yaml

@@ -1,7 +1,7 @@
 version: 1
 metadata:
   labels:
-    blueprints.goauthentik.io/example: "true"
+    blueprints.goauthentik.io/instantiate: "false"
   name: Example - Recovery with email verification
 entries:
   - identifiers:

blueprints/example/flows-unenrollment.yaml

@@ -1,7 +1,7 @@
 version: 1
 metadata:
   labels:
-    blueprints.goauthentik.io/example: "true"
+    blueprints.goauthentik.io/instantiate: "false"
   name: Example - User deletion
 entries:
   - identifiers: