Corrects Feint Bomb knockback (#4632)

* Fixes #4631.
* Feint Bomb should make the user backslide cells equal to the level used.
Thanks to @reunite-ro!

db/pre-re/skill_db.yml

@@ -22138,11 +22138,25 @@ Body:
     Element: Weapon
     Knockback:
       - Level: 1
-        Amount: 3
+        Amount: 1
       - Level: 2
-        Amount: 6
+        Amount: 2
       - Level: 3
+        Amount: 3
+      - Level: 4
+        Amount: 4
+      - Level: 5
+        Amount: 5
+      - Level: 6
+        Amount: 6
+      - Level: 7
+        Amount: 7
+      - Level: 8
+        Amount: 8
+      - Level: 9
         Amount: 9
+      - Level: 10
+        Amount: 10
     CopyFlags:
       Skill:
         Reproduce: true

db/re/skill_db.yml

@@ -23236,11 +23236,25 @@ Body:
     Element: Weapon
     Knockback:
       - Level: 1
-        Amount: 3
+        Amount: 1
       - Level: 2
-        Amount: 6
+        Amount: 2
       - Level: 3
+        Amount: 3
+      - Level: 4
+        Amount: 4
+      - Level: 5
+        Amount: 5
+      - Level: 6
+        Amount: 6
+      - Level: 7
+        Amount: 7
+      - Level: 8
+        Amount: 8
+      - Level: 9
         Amount: 9
+      - Level: 10
+        Amount: 10
     CopyFlags:
       Skill:
         Reproduce: true