Increases the GBP value of sprite PRs to 3. (#3980)

Co-authored-by: Krysonism <49783092+Krysonism@users.noreply.github.com>

.github/gbp.toml

@@ -0,0 +1,20 @@
+no_balance_label = "GBP: No Update"
+reset_label = "GBP: Reset"
+
+[points]
+"Atomic" = 2
+"Balance/Rebalance" = -8
+"Code Improvement" = 2
+"Feature" = -10
+"Feedback" = 2
+"Fix" = 3
+"Grammar and Formatting" = 1
+"Logging" = 1
+"Performance" = 12
+"Priority: CRITICAL" = 20
+"Priority: High" = 15
+"Quality of Life" = 1
+"Refactor" = 10
+"Sound" = 1
+"Sprites" = 3
+"Unit Tests" = 6