Problem: Makefile for publishing example were not working

'aleph program' now need an 'update' argument.
Solution: Update makefile and documentation

examples/example_http_js/Makefile

@@ -16,4 +16,4 @@ docker-publish:
 
 publish:
 	chmod +x ./src/run.sh
-	aleph program ./src "run.sh"
+	aleph program upload ./src "run.sh"

examples/example_http_rust/Makefile

@@ -15,4 +15,4 @@ publish:
 	cargo build --release
 	mkdir -p ./dist
 	cp target/release/example_http_rust ./dist/
-	aleph program ./dist example_http_rust
+	aleph program upload ./dist example_http_rust

tutorials/REQUIREMENTS.md

@@ -89,7 +89,7 @@ aleph pin QmWWX6BaaRkRSr2iNdwH5e29ACPg2nCHHXTRTfuBmVm3Ga
 ## 3. Create your program
 
 ```shell
-aleph program ./my-program main:app
+aleph program upload ./my-program main:app
 ```
 
 Press Enter at the following prompt to use the default runtime:

tutorials/SERVER.md

@@ -88,9 +88,9 @@ cargo build --release
 Publish it on Aleph using the same procedure as with the Python example, except the entrypoint refers to the name of the binary to execute. 
 
 ```shell
-aleph program ./target/release/example_http_rust example_http_rust
+aleph program upload ./target/release/example_http_rust example_http_rust
 ```
 
 If your program takes some arguments, pass them in the entrypoint by using quotes: `"example_http_rust --help`.
 
-ℹ️ If you get the error `Invalid zip archive`, you are probably missing the Squashfs user tool `mksquashfs`. In that case, first create the squashfs archive and then upload it using `aleph program ./target/release/example_http_rust.squashfs example_http_rust`
+ℹ️ If you get the error `Invalid zip archive`, you are probably missing the Squashfs user tool `mksquashfs`. In that case, first create the squashfs archive and then upload it using `aleph program upload ./target/release/example_http_rust.squashfs example_http_rust`