Improve Makefile help target formatting

Makefile

@@ -1,11 +1,13 @@
-.PHONY: default help clean build lint format detekt detekt-baseline tests uberjar uber cc run heroku logs versioncheck upgrade-wrapper
+.PHONY: default help clean build lint format detekt detekt-baseline tests uberjar uber \
+        cc run heroku logs versions upgrade-wrapper
 
-GRADLE_VERSION := $(shell grep '^gradle = ' gradle/libs.versions.toml | cut -d'"' -f2)
+GRADLE_VERSION := $(shell sed -n 's/^gradle-wrapper = "\(.*\)"/\1/p' gradle/libs.versions.toml)
 
-default: versioncheck
+default: help
 
-help: ## Show this help
-	@awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "  \033[36m%-20s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
+help:  ## Show this help (list of targets)
+	@awk 'BEGIN {FS = ":.*?## "; printf "Usage: make <target>\n\nTargets:\n"} \
+		/^[a-zA-Z0-9_-]+:.*?## / {printf "  \033[36m%-22s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
 
 clean: ## Remove Gradle build outputs
 	./gradlew clean
@@ -46,8 +48,8 @@ heroku: ## Deploy by pushing master to Heroku
 logs: ## Tail Heroku logs
 	heroku logs --tail
 
-versioncheck: ## Check for dependency updates
-	./gradlew dependencyUpdates
+versions: ## Check for dependency updates
+	./gradlew dependencyUpdates --no-configuration-cache --no-parallel
 
 # Gradle's documented upgrade procedure: the first run rewrites
 # gradle-wrapper.properties using the *old* wrapper jar; the second run

gradle/libs.versions.toml

@@ -1,14 +1,14 @@
 [versions]
 detekt = "2.0.0-alpha.3"
-gradle = "9.5.0"
+gradle-wrapper = "9.5.1"
 jvm = "17"
 kotest = "6.1.11"
-kotlin = "2.3.21"
-kotlinter = "5.4.2"
-ktor = "3.4.3"
-logging = "8.0.02"
-readingbat = "3.1.5"
-utils = "2.8.2"
+kotlin = "2.4.0"
+kotlinter = "5.5.0"
+ktor = "3.5.0"
+logging = "8.0.4"
+readingbat = "3.1.8"
+utils = "2.9.0"
 versions = "0.54.0"
 
 [libraries]

gradle/wrapper/gradle-wrapper.properties

@@ -1,7 +1,9 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-9.5.0-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-9.5.1-bin.zip
 networkTimeout=10000
+retries=0
+retryBackOffMs=500
 validateDistributionUrl=true
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists