feat(axum): support axum 0.8 applications

Upgrade the integration crate and examples to Axum 0.8 and use the native async extractor traits while preserving hemx routing, request, runtime, and effect behavior.

req: axum/002

examples/html_examples/Cargo.toml

@@ -8,7 +8,7 @@ publish = false
 path = "src/lib.rs"
 
 [dependencies]
-axum = "0.7"
+axum = "0.8"
 hemplate = { path = "../../../hemplate/hemplate" }
 hemx = { path = "../../hemx" }
 hemx-axum = { path = "../../hemx-axum" }

examples/kanban/Cargo.toml

@@ -8,7 +8,7 @@ publish = false
 path = "src/lib.rs"
 
 [dependencies]
-axum = "0.7"
+axum = "0.8"
 futures-util = "0.3"
 hemplate = { path = "../../../hemplate/hemplate" }
 hemx = { path = "../../hemx" }

examples/saas/Cargo.toml

@@ -12,7 +12,7 @@ name = "hemx-saas-example"
 path = "src/main.rs"
 
 [dependencies]
-axum = "0.7"
+axum = "0.8"
 futures-util = "0.3"
 hemplate = { path = "../../../hemplate/hemplate" }
 hemx = { path = "../../hemx" }

examples/techdemo/Cargo.toml

@@ -8,7 +8,7 @@ publish = false
 path = "src/lib.rs"
 
 [dependencies]
-axum = "0.7"
+axum = "0.8"
 futures-util = "0.3"
 hemplate = { path = "../../../hemplate/hemplate" }
 hemx = { path = "../../hemx" }

examples/v0/Cargo.toml

@@ -8,7 +8,7 @@ publish = false
 path = "src/lib.rs"
 
 [dependencies]
-axum = "0.7"
+axum = "0.8"
 futures-util = "0.3"
 hemplate = { path = "../../../hemplate/hemplate" }
 hemx = { path = "../../hemx" }

examples/workout/Cargo.toml

@@ -12,7 +12,7 @@ name = "hemx-workout-example"
 path = "src/main.rs"
 
 [dependencies]
-axum = "0.7"
+axum = "0.8"
 hemplate = { path = "../../../hemplate/hemplate" }
 hemx = { path = "../../hemx" }
 hemx-axum = { path = "../../hemx-axum" }