fix dependencies between tasks

due to using an old snapshot of cue.Value, components relying on
dependent tasks were failing because of non-concretness.

Signed-off-by: Andrea Luzzardi <aluzzardi@gmail.com>

examples/tests/dependencies/interpolation/main.cue

@@ -0,0 +1,51 @@
+package testing
+
+A: {
+	result: string
+
+	#dagger: compute: [
+		{
+			do:  "fetch-container"
+			ref: "alpine"
+		},
+		{
+			do: "exec"
+			args: ["sh", "-c", """
+				echo '{"result": "from A"}' > /tmp/out
+				""",
+			]
+			dir: "/"
+		},
+		{
+			do: "export"
+			// Source path in the container
+			source: "/tmp/out"
+			format: "json"
+		},
+	]
+}
+
+B: {
+	result: string
+
+	#dagger: compute: [
+		{
+			do:  "fetch-container"
+			ref: "alpine"
+		},
+		{
+			do: "exec"
+			args: ["sh", "-c", """
+				echo "{\\"result\\": \\"dependency \(A.result)\\"}" > /tmp/out
+				""",
+			]
+			dir: "/"
+		},
+		{
+			do: "export"
+			// Source path in the container
+			source: "/tmp/out"
+			format: "json"
+		},
+	]
+}